RBR52L2R490FR
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A component which converts available alternating current or direct current electrical power into a form required to operate another component or set. The item may consist of a combination of an invertor,vibrator; vibrator,interrupter; vibrator,self-rectifying; invertor,power,static with a transformer and rectifies employing electron tubes, semiconductor diode or metallic (dry disc) type components, or the synchronized secondary contacts of a vibrator,self-rectifying or may consist of electron tubes, semiconductor diode or metallic (dry disc) type rectifiers and capacitors in transformerless (alternating current-direct current type) circuits which may be of the voltage-multiplier type. The item may incorporate a filter,direct current power and provisions for regulation of input and/or output voltage. The item may have special input, output, control or other facilities for applications in specialized environments such as medical, dental or other operations. Excludes battery chargers and rotating machinery types of items, such as motor generators and enerators and dynamotors.
-1.000 to 1.000 resistance tolerance in percent, 2.490 ohms electrical resistance, 145.0 ambient temp in deg celsius at zero percent rated power, -65.0 to 145.0 temp range of temp coefficient in deg celsius, -30.0 to 30.0 temp coefficient of resistance in ppm per deg celsius
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Temp Coefficient Of Resistance In Ppm Per Deg Celsius
- -30.0 to 30.0
- Electrical Resistance
- 2.490 ohms
- Resistance Tolerance In Percent
- -1.000 to 1.000
- Ambient Temp In Deg Celsius At Zero Percent Rated Power
- 145.0
- Temp Range Of Temp Coefficient In Deg Celsius
- -65.0 to 145.0
- Reactance Characteristic
- noninductive
- Reliability Indicator
- established
- Reliability Failure Rate Level In Percent
- 0.010
- Body Diameter
- 0.375 inches nominal
- Body Length
- 1.000 inches nominal
- Power Dissipation Rating In Watts
- 0.500 free air
- Ambient Temp At Full Rated Power
- 125.0 celsius
- Inclosure Type
- encapsulated
- Terminal Type
- wire lead
- Style Designator
- axial terminal each end
- Test Data Document
- "81349-mil-r-39005 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Specification/Standard Data
- 81349-mil-r-39005/1 government specification
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5905-00-259-3507 | No Name Available | 05/13/1987 |
| 5905-00-857-6913 | No Name Available | 06/13/2021 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| RBR5252R490FM | Wire Wound Fixed Resistor |
| RBR52L2R490FR | Wire Wound Fixed Resistor |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5905-00-305-7591?
Does the NSN 5905-00-305-7591 have a Schedule B code assigned?
Does NSN 5905-00-305-7591 require demilitarization?
Does NSN 5905-00-305-7591 contain precious materials?
Does NSN 5905-00-305-7591 contain hazardous materials?
When the NSN 5905-00-305-7591 was assigned to the Federal Catalog?
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